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What is chemical combination? Explain wi...

What is chemical combination? Explain with an example.

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Chemical combination :-
1) A reaction in which single product is formed from two or more reactants is known as the chemical combination reaction.
2) Magnesium burns in oxygen by producing dazzling white flame and changes into white power. The white powder is magnesium oxide.
3) `2Mg+O_(2) rarr 2MgO`
4) It is a chemical combination reaction.
5) In this reaction magnesium and oxygen combine to form a new substance magnesium oxide.
6) Another example : Burning of coal is `C+O_(2)rarrCO_(2)`
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VGS PUBLICATION-BRILLIANT-CHEMICAL REACTIONS AND EQUATIONS-ESSENTIAL MATERIAL FOR EXAMINATION PURPOSE
  1. How do indicate the conditions of the reaction in a chemical equation ...

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  2. Write the chemical equation of photosynthesis as an example of how the...

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  3. What is chemical combination? Explain with an example.

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  4. 2Mg+O2 rarr 2MgO, what type of chemical reaction is it ? Explain.

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  5. Magnesium burns with oxygen . a) Write the chemical equation ? b) ...

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  6. What is chemical decomposition ? Explain with an example.

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  7. CaCO(3)rarrCaO+CO(2), what type of chemical reaction it is ? Explain.

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  8. Heating of calcium carbonate a) Write the chemical equation to it. ...

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  9. What is an exothermic reaction ? Give an example.

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  10. What is a thermal decomposition reaction ? Give an example.

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  11. Define oxidation and reduction. ? Give one example to each.

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  12. What double displacement reaction? Give four examples .

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  13. What is oxidation - reduction reaction or redox reaction ? Give one ex...

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  14. a) What is combustion reaction ?

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  15. a) Write the process of the effect of bleaching on coloured objects.

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  16. How chlorine changes the colours of objects? Write the chemical equati...

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  17. In a chemical formula, no subscript was written. What does indicate th...

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  18. Is Photosynthesis reaction is a chemical decomposition reaction ? Expl...

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  19. Balance the following equations. 1) Na+O(2)rarr Na(2)O

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  20. Balance the following equations. 2) H(2)O(2)rarr H(2)O+O(2)

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